switch_tl_lock identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/gpu/drm/i915/gt/selftest_timeline.c, line 854 (as a function)

Referenced in 1 files:

drivers/gpu/drm/i915/gt/selftest_timeline.c

Smatch caller information:

drivers/gpu/drm/i915/gt/intel_timeline.c check_watcher() -> switch_tl_lock()

Type	Parameter	Key	Value
PARAM_VALUE	0	from	0
PARAM_VALUE	1	to	0,4096-ptr_max
NOCHECK_CALL
HALF_LOCKED2		rq->context->timeline->mutex
HALF_LOCKED2		tl->hwsp_ggtt->obj->base.resv

drivers/gpu/drm/i915/gt/intel_timeline.c cleanup_watcher() -> switch_tl_lock()

Type	Parameter	Key	Value
PARAM_VALUE	0	from	0
PARAM_VALUE	1	to	4096-u64max
NOCHECK_CALL
HALF_LOCKED2		rq->context->timeline->mutex
HALF_LOCKED2		tl->hwsp_ggtt->obj->base.resv

drivers/gpu/drm/i915/gt/intel_timeline.c create_watcher() -> switch_tl_lock()

Type	Parameter	Key	Value
PARAM_VALUE	0	from	4096-ptr_max
PARAM_VALUE	0	from->batch	0
PARAM_VALUE	0	from->context	4096-ptr_max
PARAM_VALUE	0	from->context->active.cache->timeline	0-s64max
PARAM_VALUE	0	from->context->engine	4096-ptr_max
PARAM_VALUE	0	from->context->engine->gt->i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	from->context->engine->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	from->context->parallel.parent->active.cache->timeline	0-s64max
PARAM_VALUE	0	from->context->timeline	4096-ptr_max
PARAM_VALUE	0	from->context->vm->gt->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	from->context->wakeref->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	from->context->wakeref->dead	0-1
PARAM_VALUE	0	from->context->wakeref->free_stack_handle	0-4294967295
PARAM_VALUE	0	from->engine	4096-ptr_max
PARAM_VALUE	0	from->fence.cb_list.next	4096-ptr_max
PARAM_VALUE	0	from->fence.cb_list.next->next	4096-ptr_max
PARAM_VALUE	0	from->fence.cb_list.prev	4096-ptr_max
PARAM_VALUE	0	from->fence.cb_list.prev->next	4096-ptr_max
PARAM_VALUE	0	from->fence.cb_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	from->fence.error	0
PARAM_VALUE	0	from->fence.extern_lock	1-u64max
PARAM_VALUE	0	from->fence.flags	1,3,5,7
PARAM_VALUE	0	from->fence.ops	770600201147228160
PARAM_VALUE	0	from->fence.ops->get_driver_name	4096-ptr_max
PARAM_VALUE	0	from->fence.ops->get_timeline_name	4096-ptr_max
PARAM_VALUE	0	from->fence.ops->set_deadline	0,2004285741546172416,2071105144755478528,2853440610722889728,3558081686514302976,5221404334427111424
PARAM_VALUE	0	from->fence.ops->wait	0,3162960082638938112,3576649960670945280,4783308308267675648,5257098353859239936
PARAM_VALUE	0	from->fence.seqno	0-u32max
PARAM_VALUE	0	from->guc_prio	255
PARAM_VALUE	0	from->link.next	4096-ptr_max
PARAM_VALUE	0	from->rcustate	0,4-u64max
PARAM_VALUE	0	from->ring	4096-ptr_max
PARAM_VALUE	0	from->sched.attr.priority	s32min
PARAM_VALUE	0	from->sched.flags	0
PARAM_VALUE	0	from->sched.semaphores	0
PARAM_VALUE	0	from->timeline	4096-ptr_max
PARAM_VALUE	0	from->watchdog.timer._softexpires	0
PARAM_VALUE	0	from->watchdog.timer.base	4096-ptr_max
PARAM_VALUE	0	from->watchdog.timer.function	1-u64max
PARAM_VALUE	0	from->watchdog.timer.is_hard	0
PARAM_VALUE	0	from->watchdog.timer.is_lazy	0
PARAM_VALUE	0	from->watchdog.timer.is_queued	0
PARAM_VALUE	0	from->watchdog.timer.is_rel	0
PARAM_VALUE	0	from->watchdog.timer.is_soft	0
PARAM_VALUE	0	from->watchdog.timer.node.expires	0
PARAM_VALUE	0	from->watchdog.timer.node.node.next	0
PARAM_VALUE	0	from->watchdog.timer.node.node.prev	0
PARAM_VALUE	1	to	0
CAPPED_DATA	0	from->context	1
CAPPED_DATA	0	from->engine	1
CAPPED_DATA	0	from->ring	1
DATA_SOURCE	0	from	r intel_context_create_request
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	from->context->ring_size
HALF_LOCKED2		rq->context->timeline->mutex
HALF_LOCKED2		tl->hwsp_ggtt->obj->base.resv

drivers/gpu/drm/i915/gt/intel_timeline.c live_hwsp_read() -> switch_tl_lock()

Type	Parameter	Key	Value
PARAM_VALUE	0	from	4096-ptr_max
PARAM_VALUE	0	from->batch	0
PARAM_VALUE	0	from->context	4096-ptr_max
PARAM_VALUE	0	from->context->active.cache->timeline	0-s64max
PARAM_VALUE	0	from->context->engine	4096-ptr_max
PARAM_VALUE	0	from->context->engine->gt->i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	from->context->engine->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	from->context->parallel.parent->active.cache->timeline	0-s64max
PARAM_VALUE	0	from->context->timeline	4096-ptr_max
PARAM_VALUE	0	from->context->vm->gt->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	from->context->wakeref->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	from->context->wakeref->dead	0-1
PARAM_VALUE	0	from->context->wakeref->free_stack_handle	0-4294967295
PARAM_VALUE	0	from->engine	4096-ptr_max
PARAM_VALUE	0	from->fence.cb_list.next	4096-ptr_max
PARAM_VALUE	0	from->fence.cb_list.next->next	4096-ptr_max
PARAM_VALUE	0	from->fence.cb_list.prev	4096-ptr_max
PARAM_VALUE	0	from->fence.cb_list.prev->next	4096-ptr_max
PARAM_VALUE	0	from->fence.cb_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	from->fence.error	0
PARAM_VALUE	0	from->fence.extern_lock	1-u64max
PARAM_VALUE	0	from->fence.flags	1,3,5,7
PARAM_VALUE	0	from->fence.ops	770600201147228160
PARAM_VALUE	0	from->fence.ops->enable_signaling	0,4096-ptr_max
PARAM_VALUE	0	from->fence.ops->get_driver_name	4096-ptr_max
PARAM_VALUE	0	from->fence.ops->get_timeline_name	4096-ptr_max
PARAM_VALUE	0	from->fence.ops->release	0,4096-ptr_max
PARAM_VALUE	0	from->fence.ops->set_deadline	0,2004285741546172416,2071105144755478528,2853440610722889728,3558081686514302976,5221404334427111424
PARAM_VALUE	0	from->fence.ops->signaled	0,4096-ptr_max
PARAM_VALUE	0	from->fence.ops->wait	0,3162960082638938112,3576649960670945280,4783308308267675648,5257098353859239936
PARAM_VALUE	0	from->fence.seqno	0-u32max
PARAM_VALUE	0	from->guc_prio	255
PARAM_VALUE	0	from->link.next	4096-ptr_max
PARAM_VALUE	0	from->rcustate	0,4-u64max
PARAM_VALUE	0	from->ring	4096-ptr_max
PARAM_VALUE	0	from->sched.attr.priority	s32min
PARAM_VALUE	0	from->sched.flags	0
PARAM_VALUE	0	from->sched.semaphores	0
PARAM_VALUE	0	from->submit.flags	0-4194302
PARAM_VALUE	0	from->timeline	4096-ptr_max
PARAM_VALUE	0	from->watchdog.timer._softexpires	0
PARAM_VALUE	0	from->watchdog.timer.base	4096-ptr_max
PARAM_VALUE	0	from->watchdog.timer.function	1-u64max
PARAM_VALUE	0	from->watchdog.timer.is_hard	0
PARAM_VALUE	0	from->watchdog.timer.is_lazy	0
PARAM_VALUE	0	from->watchdog.timer.is_queued	0
PARAM_VALUE	0	from->watchdog.timer.is_rel	0
PARAM_VALUE	0	from->watchdog.timer.is_soft	0
PARAM_VALUE	0	from->watchdog.timer.node.expires	0
PARAM_VALUE	0	from->watchdog.timer.node.node.next	0
PARAM_VALUE	0	from->watchdog.timer.node.node.prev	0
CAPPED_DATA	0	from->context	1
CAPPED_DATA	0	from->engine	1
CAPPED_DATA	0	from->ring	1
DATA_SOURCE	0	from	r i915_request_create
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	from->context->ring_size
NO_OVERFLOW_SIMPLE	0	from->ring->size
HALF_LOCKED2		rq->context->timeline->mutex
HALF_LOCKED2		tl->hwsp_ggtt->obj->base.resv

drivers/gpu/drm/i915/gt/intel_timeline.c live_hwsp_read() -> switch_tl_lock()

Type	Parameter	Key	Value
PARAM_VALUE	1	to	4096-ptr_max
PARAM_VALUE	1	to->batch	0
PARAM_VALUE	1	to->context	4096-ptr_max
PARAM_VALUE	1	to->context->active.cache->timeline	0-s64max
PARAM_VALUE	1	to->context->engine	4096-ptr_max
PARAM_VALUE	1	to->context->engine->gt->i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	1	to->context->engine->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	1	to->context->parallel.parent->active.cache->timeline	0-s64max
PARAM_VALUE	1	to->context->timeline	4096-ptr_max
PARAM_VALUE	1	to->context->vm->gt->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	1	to->context->wakeref->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	to->context->wakeref->dead	0-1
PARAM_VALUE	1	to->context->wakeref->free_stack_handle	0-4294967295
PARAM_VALUE	1	to->engine	4096-ptr_max
PARAM_VALUE	1	to->fence.cb_list.next	4096-ptr_max
PARAM_VALUE	1	to->fence.cb_list.next->next	4096-ptr_max
PARAM_VALUE	1	to->fence.cb_list.prev	4096-ptr_max
PARAM_VALUE	1	to->fence.cb_list.prev->next	4096-ptr_max
PARAM_VALUE	1	to->fence.cb_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	to->fence.error	0
PARAM_VALUE	1	to->fence.extern_lock	1-u64max
PARAM_VALUE	1	to->fence.flags	1,3,5,7
PARAM_VALUE	1	to->fence.ops	770600201147228160
PARAM_VALUE	1	to->fence.ops->enable_signaling	0,4096-ptr_max
PARAM_VALUE	1	to->fence.ops->get_driver_name	4096-ptr_max
PARAM_VALUE	1	to->fence.ops->get_timeline_name	4096-ptr_max
PARAM_VALUE	1	to->fence.ops->release	0,4096-ptr_max
PARAM_VALUE	1	to->fence.ops->set_deadline	0,2004285741546172416,2071105144755478528,2853440610722889728,3558081686514302976,5221404334427111424
PARAM_VALUE	1	to->fence.ops->signaled	0,4096-ptr_max
PARAM_VALUE	1	to->fence.ops->wait	0,3162960082638938112,3576649960670945280,4783308308267675648,5257098353859239936
PARAM_VALUE	1	to->fence.seqno	0-u32max
PARAM_VALUE	1	to->guc_prio	255
PARAM_VALUE	1	to->link.next	4096-ptr_max
PARAM_VALUE	1	to->rcustate	0,4-u64max
PARAM_VALUE	1	to->ring	4096-ptr_max
PARAM_VALUE	1	to->sched.attr.priority	s32min
PARAM_VALUE	1	to->sched.flags	0
PARAM_VALUE	1	to->sched.semaphores	0
PARAM_VALUE	1	to->submit.flags	0-4194302
PARAM_VALUE	1	to->timeline	4096-ptr_max
PARAM_VALUE	1	to->watchdog.timer._softexpires	0
PARAM_VALUE	1	to->watchdog.timer.base	4096-ptr_max
PARAM_VALUE	1	to->watchdog.timer.function	1-u64max
PARAM_VALUE	1	to->watchdog.timer.is_hard	0
PARAM_VALUE	1	to->watchdog.timer.is_lazy	0
PARAM_VALUE	1	to->watchdog.timer.is_queued	0
PARAM_VALUE	1	to->watchdog.timer.is_rel	0
PARAM_VALUE	1	to->watchdog.timer.is_soft	0
PARAM_VALUE	1	to->watchdog.timer.node.expires	0
PARAM_VALUE	1	to->watchdog.timer.node.node.next	0
PARAM_VALUE	1	to->watchdog.timer.node.node.prev	0
CAPPED_DATA	1	to->context	1
CAPPED_DATA	1	to->engine	1
CAPPED_DATA	1	to->ring	1
CAPPED_DATA	1	to->timeline	1
DATA_SOURCE	1	to	r i915_request_create
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	1	to->context->ring_size
NO_OVERFLOW_SIMPLE	1	to->ring->size
HALF_LOCKED2		rq->context->timeline->mutex
HALF_LOCKED2		tl->hwsp_ggtt->obj->base.resv

drivers/gpu/drm/i915/gt/intel_timeline.c live_hwsp_read() -> switch_tl_lock()

Type	Parameter	Key	Value
PARAM_VALUE	0	from	4096-ptr_max
PARAM_VALUE	0	from->batch	0
PARAM_VALUE	0	from->context	4096-ptr_max
PARAM_VALUE	0	from->context->active.cache->timeline	0-s64max
PARAM_VALUE	0	from->context->engine	4096-ptr_max
PARAM_VALUE	0	from->context->engine->gt->i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	from->context->engine->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	from->context->parallel.parent->active.cache->timeline	0-s64max
PARAM_VALUE	0	from->context->timeline	4096-ptr_max
PARAM_VALUE	0	from->context->vm->gt->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	from->context->wakeref->alloc_stack_handle	0-4294967295
PARAM_VALUE	0	from->context->wakeref->dead	0-1
PARAM_VALUE	0	from->context->wakeref->free_stack_handle	0-4294967295
PARAM_VALUE	0	from->engine	4096-ptr_max
PARAM_VALUE	0	from->fence.cb_list.next	4096-ptr_max
PARAM_VALUE	0	from->fence.cb_list.next->next	4096-ptr_max
PARAM_VALUE	0	from->fence.cb_list.prev	4096-ptr_max
PARAM_VALUE	0	from->fence.cb_list.prev->next	4096-ptr_max
PARAM_VALUE	0	from->fence.cb_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	from->fence.error	0
PARAM_VALUE	0	from->fence.extern_lock	1-u64max
PARAM_VALUE	0	from->fence.flags	1,3,5,7
PARAM_VALUE	0	from->fence.ops	770600201147228160
PARAM_VALUE	0	from->fence.ops->enable_signaling	0,4096-ptr_max
PARAM_VALUE	0	from->fence.ops->get_driver_name	4096-ptr_max
PARAM_VALUE	0	from->fence.ops->get_timeline_name	4096-ptr_max
PARAM_VALUE	0	from->fence.ops->release	0,4096-ptr_max
PARAM_VALUE	0	from->fence.ops->set_deadline	0,2004285741546172416,2071105144755478528,2853440610722889728,3558081686514302976,5221404334427111424
PARAM_VALUE	0	from->fence.ops->signaled	0,4096-ptr_max
PARAM_VALUE	0	from->fence.ops->wait	0,3162960082638938112,3576649960670945280,4783308308267675648,5257098353859239936
PARAM_VALUE	0	from->fence.seqno	0-u32max
PARAM_VALUE	0	from->guc_prio	255
PARAM_VALUE	0	from->link.next	4096-ptr_max
PARAM_VALUE	0	from->rcustate	0,4-u64max
PARAM_VALUE	0	from->ring	4096-ptr_max
PARAM_VALUE	0	from->sched.attr.priority	s32min
PARAM_VALUE	0	from->sched.flags	0
PARAM_VALUE	0	from->sched.semaphores	0
PARAM_VALUE	0	from->submit.flags	0-4194302
PARAM_VALUE	0	from->timeline	4096-ptr_max
PARAM_VALUE	0	from->timeline->active.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	from->timeline->has_initial_breadcrumb	1
PARAM_VALUE	0	from->watchdog.timer._softexpires	0
PARAM_VALUE	0	from->watchdog.timer.base	4096-ptr_max
PARAM_VALUE	0	from->watchdog.timer.function	1-u64max
PARAM_VALUE	0	from->watchdog.timer.is_hard	0
PARAM_VALUE	0	from->watchdog.timer.is_lazy	0
PARAM_VALUE	0	from->watchdog.timer.is_queued	0
PARAM_VALUE	0	from->watchdog.timer.is_rel	0
PARAM_VALUE	0	from->watchdog.timer.is_soft	0
PARAM_VALUE	0	from->watchdog.timer.node.expires	0
PARAM_VALUE	0	from->watchdog.timer.node.node.next	0
PARAM_VALUE	0	from->watchdog.timer.node.node.prev	0
CAPPED_DATA	0	from->context	1
CAPPED_DATA	0	from->engine	1
CAPPED_DATA	0	from->ring	1
CAPPED_DATA	0	from->timeline	1
DATA_SOURCE	0	from	r i915_request_create
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	from->context->ring_size
NO_OVERFLOW_SIMPLE	0	from->ring->size
LOCK2	0	from->context->timeline->mutex
HALF_LOCKED2		rq->context->timeline->mutex
HALF_LOCKED2		tl->hwsp_ggtt->obj->base.resv

drivers/gpu/drm/i915/gt/intel_timeline.c live_hwsp_read() -> switch_tl_lock()

Type	Parameter	Key	Value
PARAM_VALUE	1	to	4096-ptr_max
PARAM_VALUE	1	to->batch	0
PARAM_VALUE	1	to->context	4096-ptr_max
PARAM_VALUE	1	to->context->active.cache->timeline	0-s64max
PARAM_VALUE	1	to->context->engine	4096-ptr_max
PARAM_VALUE	1	to->context->engine->gt->i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	1	to->context->engine->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	1	to->context->parallel.parent->active.cache->timeline	0-s64max
PARAM_VALUE	1	to->context->timeline	4096-ptr_max
PARAM_VALUE	1	to->context->vm->gt->wakeref.i915->runtime_pm.kdev->power.wakeirq->status	0-4294967295
PARAM_VALUE	1	to->context->wakeref->alloc_stack_handle	0-4294967295
PARAM_VALUE	1	to->context->wakeref->dead	0-1
PARAM_VALUE	1	to->context->wakeref->free_stack_handle	0-4294967295
PARAM_VALUE	1	to->engine	4096-ptr_max
PARAM_VALUE	1	to->fence.cb_list.next	4096-ptr_max
PARAM_VALUE	1	to->fence.cb_list.next->next	4096-ptr_max
PARAM_VALUE	1	to->fence.cb_list.prev	4096-ptr_max
PARAM_VALUE	1	to->fence.cb_list.prev->next	4096-ptr_max
PARAM_VALUE	1	to->fence.cb_list.prev->prev	4096-ptr_max
PARAM_VALUE	1	to->fence.error	0
PARAM_VALUE	1	to->fence.extern_lock	1-u64max
PARAM_VALUE	1	to->fence.flags	1,3,5,7
PARAM_VALUE	1	to->fence.ops	770600201147228160
PARAM_VALUE	1	to->fence.ops->enable_signaling	0,4096-ptr_max
PARAM_VALUE	1	to->fence.ops->get_driver_name	4096-ptr_max
PARAM_VALUE	1	to->fence.ops->get_timeline_name	4096-ptr_max
PARAM_VALUE	1	to->fence.ops->release	0,4096-ptr_max
PARAM_VALUE	1	to->fence.ops->set_deadline	0,2004285741546172416,2071105144755478528,2853440610722889728,3558081686514302976,5221404334427111424
PARAM_VALUE	1	to->fence.ops->signaled	0,4096-ptr_max
PARAM_VALUE	1	to->fence.ops->wait	0,3162960082638938112,3576649960670945280,4783308308267675648,5257098353859239936
PARAM_VALUE	1	to->fence.seqno	0-u32max
PARAM_VALUE	1	to->guc_prio	255
PARAM_VALUE	1	to->link.next	4096-ptr_max
PARAM_VALUE	1	to->rcustate	0,4-u64max
PARAM_VALUE	1	to->ring	4096-ptr_max
PARAM_VALUE	1	to->sched.attr.priority	s32min
PARAM_VALUE	1	to->sched.flags	0
PARAM_VALUE	1	to->sched.semaphores	0
PARAM_VALUE	1	to->submit.flags	0-4194302
PARAM_VALUE	1	to->timeline	4096-ptr_max
PARAM_VALUE	1	to->timeline->active.work.entry.next->prev	4096-ptr_max
PARAM_VALUE	1	to->timeline->has_initial_breadcrumb	1
PARAM_VALUE	1	to->watchdog.timer._softexpires	0
PARAM_VALUE	1	to->watchdog.timer.base	4096-ptr_max
PARAM_VALUE	1	to->watchdog.timer.function	1-u64max
PARAM_VALUE	1	to->watchdog.timer.is_hard	0
PARAM_VALUE	1	to->watchdog.timer.is_lazy	0
PARAM_VALUE	1	to->watchdog.timer.is_queued	0
PARAM_VALUE	1	to->watchdog.timer.is_rel	0
PARAM_VALUE	1	to->watchdog.timer.is_soft	0
PARAM_VALUE	1	to->watchdog.timer.node.expires	0
PARAM_VALUE	1	to->watchdog.timer.node.node.next	0
PARAM_VALUE	1	to->watchdog.timer.node.node.prev	0
CAPPED_DATA	1	to->context	1
CAPPED_DATA	1	to->engine	1
CAPPED_DATA	1	to->ring	1
CAPPED_DATA	1	to->timeline	1
DATA_SOURCE	1	to	r i915_request_create
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	1	to->context->ring_size
NO_OVERFLOW_SIMPLE	1	to->ring->size
HALF_LOCKED2		rq->context->timeline->mutex
HALF_LOCKED2		tl->hwsp_ggtt->obj->base.resv